Confusion

Confusion has asked 22 questions and find answers to 42 problems.

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About

Software engineer working on a model based testing tool. Experienced in Ruby, Java, Python, AWK and associated technologies. Dabbles in Clojure, Haskell, Racket and C.

Confusion questions

What are examples of typical workloads where MRI outperforms JRuby?
Ignore 'read-only' column in creates and updates in Ruby ActiveRecord
Why isn't a Clojure function that consists solely of lazy function calls lazy as well?
Take and remove elements from a Ruby Set in one operation
Using lazy-seq without blowing the stack: is it possible to combine laziness with tail recursion?
How to (re)load files in Racket (X)REPL?
Is it possible to remove floating point errors without resorting to arbitrary-precision datatypes?
Does an RSpec2 matcher for matching Hashes exist?
Make a git branch equal to master again
Convert merge into rebase without having to perform the merge again

Confusion answers

Multiline strings in HAML template helpers
Algorithm to generate a Turing Machine from a Regular Expression
Better way to map tokens to enum values?
Java EE Role Management systems - do they exist?
How can I get the jruby version at runtime?
sort a hash by using the values of keys
Does log4j uses NIO for writing data to file?
Why can't I override the * method in Ruby?
Passing an array to a Java function [duplicate]
How can I mock super in ruby using rspec?